BE826334A - Procede de reactivation de catalyseurs inactifs a base de sels de cuivre pour l'oxydation du phenol, par addition d'un acide - Google Patents

Procede de reactivation de catalyseurs inactifs a base de sels de cuivre pour l'oxydation du phenol, par addition d'un acide

Info

Publication number
BE826334A
BE826334A BE154043A BE154043A BE826334A BE 826334 A BE826334 A BE 826334A BE 154043 A BE154043 A BE 154043A BE 154043 A BE154043 A BE 154043A BE 826334 A BE826334 A BE 826334A
Authority
BE
Belgium
Prior art keywords
reactivation
phenol
oxidation
acid
addition
Prior art date
Application number
BE154043A
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE826334A publication Critical patent/BE826334A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/28—Regeneration or reactivation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00—Preparation of quinones
    • C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
    • C07C46/06—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring
    • C07C46/08—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring with molecular oxygen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BE154043A 1974-03-13 1975-03-05 Procede de reactivation de catalyseurs inactifs a base de sels de cuivre pour l'oxydation du phenol, par addition d'un acide BE826334A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/450,946 US3933681A (en) 1974-03-13 1974-03-13 Activation of copper salt phenol oxidation catalysts

Publications (1)

Publication Number Publication Date
BE826334A true BE826334A (fr) 1975-06-30

Family

ID=23790163

Family Applications (1)

Application Number Title Priority Date Filing Date
BE154043A BE826334A (fr) 1974-03-13 1975-03-05 Procede de reactivation de catalyseurs inactifs a base de sels de cuivre pour l'oxydation du phenol, par addition d'un acide

Country Status (11)

Country Link
US (1) US3933681A (fr)
JP (1) JPS50125987A (fr)
BE (1) BE826334A (fr)
BR (1) BR7501355A (fr)
CA (1) CA1046045A (fr)
DE (1) DE2507832A1 (fr)
FR (1) FR2272735B1 (fr)
GB (1) GB1482369A (fr)
IT (1) IT1029861B (fr)
NL (1) NL7502949A (fr)
ZA (1) ZA751052B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1192214A (fr) * 1982-01-18 1985-08-20 Chao-Yang Hsu Methode d'oxydation du phenol en p-benzoquinone
US7045666B2 (en) * 2003-01-16 2006-05-16 General Electric Company Bromination of hydroxyaromatic compounds and further conversion to dihydroxyaromatic compounds
US6815565B2 (en) * 2003-04-04 2004-11-09 General Electric Company Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones
US6693221B1 (en) 2003-04-04 2004-02-17 General Electric Company Method of preparing mixtures of bromophenols and benzoquinones

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL39225A (en) * 1971-05-17 1975-07-28 Sparamedica Ag Process for the manufacture of methyl substituted p-benzoquinones

Also Published As

Publication number Publication date
IT1029861B (it) 1979-03-20
DE2507832A1 (de) 1975-09-18
GB1482369A (en) 1977-08-10
FR2272735B1 (fr) 1977-04-15
BR7501355A (pt) 1975-12-09
JPS50125987A (fr) 1975-10-03
CA1046045A (fr) 1979-01-09
FR2272735A1 (fr) 1975-12-26
ZA751052B (en) 1976-07-28
NL7502949A (nl) 1975-09-16
US3933681A (en) 1976-01-20

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